package Demo;

public class Demo04 {
    public static void main(String[] args) {
        Thread t = new Thread( () -> {
            while (true) {
                System.out.println("hello thread");
                try {
                    Thread.sleep(1000);
                } catch (InterruptedException e) {
                    throw new RuntimeException(e);
                }
            }
        });
        t.start();
        System.out.println("hello thread @" + System.currentTimeMillis());
        try {
            t.join(1000);
        } catch (InterruptedException e) {
            throw new RuntimeException(e);
        }
        System.out.println("hello main");
        System.out.println("hello thread @" + System.currentTimeMillis());
    }
}
